Boiling point :64-65 °C19 mm Hg(lit.)
Density :0.98 g/mL at 25 °C(lit.)
refractive index :n20/D 1.481(lit.)
Flash point :108 °F
storage temp. :2-8°C
solubility :soluble in Chloroform, Methanol
form :Liquid
color :Clear yellow
Specific Gravity :0.980
Water Solubility :almost insoluble
BRN :1446054
InChI :InChI=1S/C5H6O/c6-5-3-1-2-4-5/h1,3H,2,4H2
InChIKey :BZKFMUIJRXWWQK-UHFFFAOYSA-N
SMILES :C1(=O)CCC=C1
LogP :-0.114 (est)
CAS DataBase Reference :930-30-3(CAS DataBase Reference)
NIST Chemistry Reference :2-Cyclopenten-1-one(930-30-3)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P370+P378 In case of fire: Use … for extinction. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…